653493734 has 8 divisors (see below), whose sum is σ = 1001096928. Its totient is φ = 319794760.

The previous prime is 653493713. The next prime is 653493739. The reversal of 653493734 is 437394356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653493739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3475937 + ... + 3476124.

It is an arithmetic number, because the mean of its divisors is an integer number (125137116).

Almost surely, 2^653493734 is an apocalyptic number.

653493734 is a deficient number, since it is larger than the sum of its proper divisors (347603194).

653493734 is a wasteful number, since it uses less digits than its factorization.

653493734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6952110.

The product of its digits is 816480, while the sum is 44.

The square root of 653493734 is about 25563.5235051821. The cubic root of 653493734 is about 867.7883375752.

The spelling of 653493734 in words is "six hundred fifty-three million, four hundred ninety-three thousand, seven hundred thirty-four".